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Finding the Third Proportional to 281,379.94 and 421,296.75

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Solution

The third proportional to 281,379.94 and 421,296.75 is: 630,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,379.94 : 421,296.75 = 421,296.75 : x
  2. Step 2: Convert to fraction form
    281,379.94/421,296.75 = 421,296.75/x
  3. Step 3: Cross multiply
    281,379.94x = 421,296.75 × 421,296.75
  4. Step 4: Simplify right side
    281,379.94x = 177,490,951,560.56
  5. Step 5: Solve for x
    x = 177,490,951,560.56/281,379.94
  6. Step 6: Final answer
    x = 630,787.52

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